Stockholm was founded in 1252 on an island in the stream where Lake Mälaren ( from the west ) drains into the Baltic Sea ( to the east ).

Year 1252 ( MCCLII ) was a leap year starting on Monday ( link will display the full calendar ) of the Julian calendar.

Charles, in contrast, was disposed towards a rigid administration ; he ordered inquests in 1252 and again in 1278 to ascertain his rights Charles broke the traditional powers of the great towns ( Nice, Grasse, Marseille, Arles, Avignon ) and aroused considerable hostility by his punctilious insistence on enjoying his full rights and fees.

Simon was formally acquitted on the charges of oppression, but his accounts were disputed by Henry and Simon retired to France in 1252.

James granted royal permission to move the town from the mountain to the plain on September 8, 1251, and tradition claims that the move was completed by the third Sunday of Lent, 1252.

Ferdinand III died in Seville on May 30, 1252, when a plague spread over the southern part of the Iberian peninsula while he was preparing his army and fleet to cross the Straits of Gibraltar.

The first church on the island of Tromsøya was erected in 1252.

Microsoft defined a number of code pages known as the ANSI code pages ( as the first one, 1252 was based on an apocryphal ANSI draft of what became ISO 8859-1 ).

Code page 1252 is built on ISO 8859-1 but uses the range 0x80-0x9F for extra printable characters rather than the C1 control codes used in ISO-8859-1.

Some of the others are based in part on other parts of ISO 8859 but often rearranged to make them closer to 1252.

The florin, based on a French coin and ultimately on coins issued in Florence, Italy, in 1252, was a standard coin ( 3. 5g fine gold ) widely used internationally.

On 21 May 1237, Olaf died on St Patrick's Isle, and was succeeded by his three sons who all ruled the kingdom in turn: Harald ( reigned 1237 – 48 ), Ragnvald ( 1249 ), and Magnus ( 1252 – 65 ).

Their marriage took place on 11 February 1252.

Their marriage took place on 11 February 1252.

Although thanks to his knighthood he could stopped the advances of Brandenburg troops in his domains ( Santok in 1247, Zbąszyń in 1251 and Drezdenko in 1252 ), this didn't ended the continuing tense situation on the Brandenburg border.

The Knights began the settlement of Cruzeburg ( Kreuzburg ) on November 2, 1252.

The town was chosen owing to its good position on the Drwęca ( on the trade route leading from Masovia to Prussia ) and a customs house between Dobrzyń and Chełmno Land ( mentioned in 1252 ).

The studium was further supported when, in 1252, Pope Innocent IV declared both its teachers and students completely immune from taxes and forced labour levied on their person or property by the city of Siena.

He died, according to the Franciscan Martyrology and other authorities, on 1 August 1252.

From 1252 on King Hethum I of Lesser Armenia began his journey to Mongolia.

The ceremony took place on 11 February 1252 in the Castle Chapel ( German: Burgkapelle ) of Hainburg an der Donau.

Pope Innocent IV, who had previously changed sides several times between Gertrude and Margaret, confirmed the lawful government of Margaret and Ottokar over both duchies on 6 May 1252.

She continued as an important counselor to the king until her death in 1252.

In November 1252, the death of his mother Blanche of Castile caused him to go north to Paris and assume the joint regency of the kingdom with his brother Alphonse.

Alfonso X ( 23 November 1221 – 4 April 1284 ), called the Wise (), was the King of Castile, León and Galicia from 30 May 1252 until his death.

The exact years of her birth and death are unclear ; a traditional year quoted for her death is 26 October 1252 ; it is also considered, though, that this was the date of her burial, and that she had actually died in 1251.

Bohemond V of Antioch ( 1199 − 1252 ) was ruler of the Principality of Antioch, a crusader state, from 1233 to his death.

At the end of the regency following Ögedei's death, however, Baiju was replaced by the new khan Güyük with Eljigidei in 1246, but Eljigidei and his entire family were purged in the accession of Möngke Khan in 1251 or 1252.

Though supposedly innocent, Eljigidei was arrested and put to death as well in 1251 or 1252.

Shortly after the death of her uncle, Gertrude first married her fiancé Vladislaus of Moravia, who nevertheless died in the next year, then Margrave Herman VI of Baden, who did not manage to maintain his position in Austria, and finally in 1252 Prince Roman Danylovich, a younger brother of Kynaz Lev I Rurik, son-in-law of the Hungarian king.

After Herman's death, her third husband Roman, Prince of Novogrudok ( married 1252, divorced 1253 ) continued the claim in 1252-53.

His widow, Maud, held the Wakefield Manor from 1240 after his death to 1252 when their son John de Warenne, 6th Earl of Surrey ( 1231 – 1304 ) came of age.

After his father's death in 1252, Henry and his brother Frederick chafed under the rule of their elder brother, King Alfonso.

Upon the death of his father in 1252, Mubarak Shah succeeded him as Chagatai Khan, with his mother acting as regent.

Otto I of Brunswick-Lüneburg ( about 1204 – 1252 ) was the first duke of Brunswick-Lüneburg from 1235 until his death.

When Bohemond V died in January 1252, 15-year-old Bohemond VI succeeded under the regency of his mother.

Soon, Mongke's mother Sorghaghtani died in 1252.

To avoid Castilian control, Margaret of Bourbon ( mother to Theobald II ) in 1252 allied with James I of Aragon instead, and as part of that treaty solemnly promised that Theobald would never marry Eleanor.

* 1252 – Blanche of Castile, Queen of Louis VIII of France ( b. 1188 )

* March 4 – Blanche of Castile ( d. 1252 )

On 23 May 1200, at the age of twelve, Louis married Blanche of Castile ( 4 March 1188 – 26 November 1252 ).

Blanche of Castile ( Blanca de Castilla in Spanish ; 4 March 1188 – 27 November 1252 ), was a Queen consort of France as the wife of Louis VIII.

Louis VIII ( 1187 – 1226 ) – the eldest son and heir of Philip Augustus – married Blanche of Castile ( 1188 – 1252 ), a granddaughter of Aliénor of Aquitaine and Henry II of England.